Finding the Fourth Proportional to 2,598.86, 3,587.17 and 1,536.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,598.86 : 3,587.17 = 1,536.80 : x
2. Step 2: Convert to fraction form
   2,598.86/3,587.17 = 1,536.80/x
3. Step 3: Cross multiply
   2,598.86x = 3,587.17 × 1,536.80
4. Step 4: Simplify right side
   2,598.86x = 5,512,762.86
5. Step 5: Solve for x
   x = 5,512,762.86/2,598.86
6. Step 6: Final answer
   x = 2,121.22